IXL | Which x satisfies an equation?

What value of

is a solution to this equation?

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Learn with an example

What value of

is a solution to this equation?

–

A solution to an equation is a value of a variable that makes the equation true.

To find the solution, substitute each value of

into the equation:

–

Substitute the value

into the equation.

–

The value

makes this equation true. So,

is the solution.

Substitute the value

into the equation.

–

The value

makes this equation false. So,

is not a solution.

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